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ASTM A203 Grade E alloy steel for pressure vessels

ASTM A203 Grade E is a kind of Ni-alloy steel material used to fabric high temperature pressure vessels.A 203 Grade E steel is the element of nickel is 3.25% to be used in manufacturing pressure vessel and boilers steel grade.

Supplementary Technology:   HIC Test | NACE MR0175 | Z15 | Z25 | Z35 |

we mainly supply Products' size:Thickness: 6MM to 150MM,Width: 1500mm to 4050mm,Length: 3000mm to 15000mm

Mechnical property for A203 Grade E alloy steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
275 485-620 200mm 50mm
19 23


Chemical composition for A203 Grade E alloy steel (Heat Analysis Max%)

Main chemical elements composition of A203 Grade E
Thickness(mm) C Si Mn P S Ni
T≤50 0.20 0.15-0.40 0.70 0.035 0.035 2.10-2.50
50<T 0.23 0.80

we have much experience exporting boiler plate in A203 Grade E to factory mill many years.  we can arrange our customer goods to produce as early as possible with best price,if you need ASTM A203 Grade E alloy steel,please contact us for more information ,we can give you the best service!

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